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RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset
switch to restart the computer if the computer freezes and fails to perform a
normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. The LED
is on when the system is operating. The LED keeps blinking when the sys-
tem is in S1 sleep state. The LED is off when the system is in S3/S4 sleep
state or powered off (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. The LED
is on when the hard drive is reading or writing data.
The front panel design may differ by chassis. A front panel module mainly
consists of power switch, reset switch, power LED, hard drive activity LED,
speaker and etc. When connecting your chassis front panel module to this
header, make sure the wire assignments and the pin assign-ments are
matched correctly.
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 13)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 9)
(3-pin PWR_FAN1)
(see p.2 No. 25)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.2 No. 3)
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
20
ASRock H61M-DG3/USB3 Motherboard
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Please connect the chassis
speaker to this header.
Please connect the fan cables
to the fan connectors and
match the black wire to the
ground pin.
GND
+12V
PWR_FAN_SPEED
Please connect the CPU fan
4 3 2 1
cable to the connector and
GND
match the black wire to the
+12V
CPU_FAN_SPEED
ground pin.
FAN_SPEED_CONTROL
Pin 1-3 Connected
3-Pin Fan Installation
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